Home / 36,231.66-49,998.92-20,315.76

Finding the Fourth Proportional to 36,231.66, 49,998.92 and 20,315.76

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Solution

The fourth proportional to 36,231.66, 49,998.92 and 20,315.76 is: 28,035.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,231.66 : 49,998.92 = 20,315.76 : x
  2. Step 2: Convert to fraction form
    36,231.66/49,998.92 = 20,315.76/x
  3. Step 3: Cross multiply
    36,231.66x = 49,998.92 × 20,315.76
  4. Step 4: Simplify right side
    36,231.66x = 1,015,765,957.40
  5. Step 5: Solve for x
    x = 1,015,765,957.40/36,231.66
  6. Step 6: Final answer
    x = 28,035.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.